Perhaps you should try some spelling variations:
last teaching » class teaching, breast teaching, based teaching
teaching iii » teaching aid, teaching ict, teaching civic
wang liang » wang yang
iii using » ii using, iii king
using sat » using sar, using smt, using smart
yang jui » yang judy, yang di, yang xi
yang li » yang lin, yang di, yang xi

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang liang) OR (wang yanling)) ((yang li) OR (yang jui)) last teaching iii using sat ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang liang) or (wang yanling)) ((yang li) or (yang jui)) last teaching iii using sat ;*.